Dining room sets consisting of armchairs, side chairs, and a table are sold at a local furniture store. A set with 2 armchairs, 4 side chairs, and a table
is sold for $940. A set with 4 side chairs and a table is sold for $740. A set
with 4 armchairs, 2 side chairs, and a table is sold for $1020. What are the
individual prices of an armchair, a side chair, and a table? How would you
spend a budget of $900 to buy a dining room set? *

Please give me the system of equation as well!!!

Suppose there are 10 five and six-year-old attending a birthday party. when a 30 year old mother walks into the room with an infant in her arms, what happens to the mean age in the room? what happens to the standard deviation of ages in the room? a. the mean and standard deviation of both change. b. the meaning will change, but the standard deviation will stay approximately the same. c. i mean will stay approximately the same, but the standard deviation will change. d. the mean and standard deviation will both stay approximately the same.

Ahigh school has 3636 players on the football team. the summary of the players' weights is given in the box plot. approximately, what is the percentage of players weighing less than or equal to 225225 pounds?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²